🏷️ Basic Information Identification Make: Mercedes-Benz Model: 280SE Chassis Code: W116 Model Years Covered: 1977-1980 👋 Introduction Market Position Target Audience: Mercedes-Benz owners, DIY enthusiasts, professional mechanics, and restoration specialists. Competitive Analysis Comparative Value: Provides factory-level information at a fraction of the cost of official Mercedes-Benz workshop manuals. Key Features Key Selling Point: Instant download, lifetime access, comprehensive coverage, and professional-level detail. 📋 Manual Details Coverage Areas Manual Title: Mercedes Benz 280SE W116 1977-1980 Full Service & Repair Manual Download PDF Manual Type: Factory Service Repair Workshop Manual Downloadable Format: PDF Page Count Page Count Estimate: Hundreds of pages (specific count not provided but indicated as comprehensive) Manual Type Content Type: Full Service, Repair, and Troubleshooting Procedures Language Language: English (Implied by product description) Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Service: Complete diagnostic, maintenance, and repair procedures for the 2.8L inline-six engine. Fuel System: Detailed coverage of fuel injection (Bosch K-Jetronic), fuel pump, lines, and filters. Ignition System: Ignition timing, spark plugs, distributor, coil, and associated electronics. Cooling System: Radiator, water pump, thermostat, hoses, and fan operation. Lubrication System: Oil pump, oil filter, oil pressure, and lubrication points. Exhaust System: Exhaust manifolds, pipes, catalytic converter (if applicable for late models), and mufflers. Transmission Manual: Service and repair for the manual gearbox (if applicable for the 280SE variant). Transmission Automatic: Detailed coverage of the automatic transmission (e.g., 4-speed automatic), including fluid changes, adjustments, and overhaul. Drivetrain: Driveshaft, universal joints, rear axle, differential, and half-shafts. Suspension Front: MacPherson struts, control arms, ball joints, bushings, and steering linkage. Suspension Rear: Semi-trailing arms, shock absorbers, springs, and bushings. Brakes Front: Disc brake system, calipers, pads, rotors, and hydraulic lines. Brakes Rear: Disc brake system, calipers, pads, rotors, and hydraulic lines. Parking Brake: Mechanism, cables, and adjustments. Steering System: Power steering pump, steering box, tie rods, and adjustments. Electrical System Overview: 12-volt electrical system, battery, alternator, starter motor, and wiring diagrams. Lighting System: Headlights, taillights, interior lights, and associated switches. Instrumentation: Dashboard gauges, warning lights, and sensor troubleshooting. Climate Control: Heater core, blower motor, air conditioning system (if equipped), and controls. Body Panels: Front fenders, hood, doors, trunk lid, bumpers, and trim. Glass And Seals: Windshield, side glass, rear glass, and weatherstripping replacement. Interior Trim: Seats, door panels, headliner, and dashboard components. Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks, lubrication, and tune-ups. Troubleshooting: Systematic diagnostic procedures for common and uncommon faults. Engine Repair: Valve adjustments, gasket replacement, piston ring installation, cylinder head removal/installation. Transmission Overhaul: Complete rebuild procedures for automatic transmissions. Brake System Repair: Brake pad/rotor replacement, caliper service, brake line bleeding, and master cylinder replacement. Suspension Component Replacement: Ball joint, tie rod, shock absorber, and bushing replacement. Electrical Component Diagnosis: Testing and replacement of starter, alternator, ignition components, and switches. Bodywork Repair: Panel alignment, dent repair, and rust prevention guidance. Wiring Diagram Interpretation: Detailed schematics for troubleshooting electrical issues. Technical Depth Depth Of Coverage: Comprehensive, covering all aspects from basic maintenance to complete component overhauls. Visual Aids: Hundreds of detailed photos and exploded diagrams for clarity. Diagnostic Capability: Enables professional-level troubleshooting and fault diagnosis. 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: Printable (single page or entire manual). Binding Type Binding: Not Applicable (Downloadable PDF). Paper Type Paper Quality: Not Applicable (Downloadable PDF). Compatibility Operating Systems: Fully compatible with Windows and MAC computers. Usage Rights License: Full Manual, No Expiry Dates, Usable on Unlimited Computers. ⚙️ Engine Specifications Primary Engine Engine Type: Inline 6-cylinder, SOHC Engine Code: M110 (likely variant for 280SE) Displacement: 2.8 Liters (2778 cc) Performance Horsepower Approx: 180-185 hp (depending on specific market and emission controls) Torque Approx: 230-235 Nm (170-173 lb-ft) at approx 4000 rpm Fuel System Fuel Delivery: Bosch K-Jetronic Continuous Injection System (CIS) Fuel Type Fuel Requirement: Premium Unleaded Gasoline (91 octane or higher) 🔧 Transmission Standard Transmission Type: 4-speed Automatic (often standard on 280SE, manual available on some variants). Optional Transmission Options: 4-speed Manual (less common on 280SE, but potentially available). Features Automatic Features: Torque converter, hydraulic control. 📐 Dimensions Exterior Wheelbase: 2850 mm (112.2 in) Length: 4960 mm (195.3 in) Width: 1800 mm (70.9 in) Height: 1420 mm (55.9 in) Weights Curb Weight Approx: 1650 kg (3638 lbs) Gross Vehicle Weight Rating Approx: 2150 kg (4740 lbs) 🛡️ Safety Features Ratings Crash Test Data: No formal crash test data comparable to modern standards exists for this era; however, W116 was engineered with significant safety considerations for its time. Passive Features Body Construction: Reinforced passenger cell, crumple zones. Steering Column: Collapsible steering column. 💡 Technology Features Infotainment Infotainment System: Basic for its era: AM/FM radio, cassette player (optional), analog gauges. Driver Assistance Driver Assistance Features: Power steering, power brakes, cruise control (optional). Connectivity Connectivity Features: None by modern standards. 🔧 Maintenance Service Intervals Oil Change Interval: Typically...